[gnome-boxes] Fix escaping from fullscreen when caps/numlock are on

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit af9e51ebe0ff2a4e755df194280f2b9de647ba39
Author: Alexander Larsson <alexl redhat com>
Date:   Thu May 31 20:27:28 2012 +0300

    Fix escaping from fullscreen when caps/numlock are on

 src/display-page.vala |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/src/display-page.vala b/src/display-page.vala
index cea48dd..4592a61 100644
--- a/src/display-page.vala
+++ b/src/display-page.vala
@@ -92,7 +92,13 @@ private class Boxes.DisplayPage: GLib.Object {
                 var y = event.motion.y;
                 if (y <= 0) {
                     toolbar_event_stop ();
-                    if ((event.motion.state & ModifierType.MODIFIER_MASK) == 0)
+                    if ((event.motion.state &
+                         (ModifierType.SHIFT_MASK | ModifierType.CONTROL_MASK |
+                          ModifierType.MOD1_MASK | ModifierType.SUPER_MASK |
+                          ModifierType.HYPER_MASK | ModifierType.META_MASK |
+                          ModifierType.BUTTON1_MASK | ModifierType.BUTTON2_MASK |
+                          ModifierType.BUTTON3_MASK | ModifierType.BUTTON4_MASK |
+                          ModifierType.BUTTON5_MASK)) == 0)
                         set_overlay_toolbar_visible (true);
                 } else if (y > 5 && toolbar_hide_id == 0) {
                     toolbar_event_stop ();